it happened at 3:00 yesterday morning at bay and columbus avenue. the suspect is described as two men in their 20s. they are still out there on the loose. police say one suspect knocked the 25-year-old victim to the ground. the other suspect stabbed him three times. they got away with the victim's cell phone. >>> later today, san francisco supervisors will vote on banning public nudity citywide. this is an issue that's getting national attention. scott wiener introduced the measure after complaints about a group of men who frequently appear naked in the city's castro district. under his proposal, $100 fine, a third offense would carry $500 fine. if passed, street fairs and parades could be exempt from the nudity ban. >>> a plan to provide free muni passes for san francisco youth has hit a roadblock. the committee voted against money from using money from a surplus for providing free passes for low income use. the committee says the money should go towards maintenance and improvement. a final decision on how the money should be spent will be made nex